Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1898364Generated: November 3, 2026

Dimethylformamide → HCID 178422740, compound

https://huagongshe.com/reaction/1898364

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
Reactant4-BromoanilineHCID 7807—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
ReactantHCID 178422813HCID 178422813—
SolventTetrahydrofuranHCID 8028—
ProductHCID 178422740HCID 17842274013.5%

Reaction Steps

The title compound was prepared following the procedure as described for Example-1 using 2-[(2,6-dichlorophenyl)amino]-7,7-dimethyl-7,8-dihydro-1H-furo[3,2-e]benzimidazole-5-carboxylic acid (Intermediate-6, 0.080 g, 0.204 mmol), O-(benzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium tetrafluoroborate (0.130 g, 0.400 mmol), TEA (1.5 mL), DMF (1.5 mL), THF (7.0 mL) and 4-bromo aniline (0.070 g, 0.400 mmol) to afford 0.015 g of the desired product. 1HNMR (DMSO-d6): δ 1.30-1.45 (m, 3H), 1.46-1.56 (m, 3H), 3.08 (s, 2H), 7.39 (m, 2H), 7.53 (d, J=8.7 Hz, 4H), 7.68 (d, J=8.7 Hz, 2H), 9.78 (s, 1H), 11.50-12.00 (s, 2H); MS [M+H]+: 547.16.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08519149B2
Source datasetuspto-grants-2013_08
ORD IDord-89f8ec5c0b064f049b91d55cadfae11f
Source noteuspto-grants-2013_08